????:1??????????:??????????

2????????

3?????

4????????

5???????????

??????

??30????????,11??26????,???,30??,??????????“??????????????????”???“???????????”,?,???

??,????????????????(SIP)?30??,“????,???”

???????????????:??????

??:??

???????????????????????????:??

??:????????????????

????:????

??:???????

???:???????????????